“Mediocristan is where we must endure the tyranny of the collective, the routine, the obvious, and the predicted; Extremistan is where we are subjected to the tyranny of the singular, the accidental, the unseen, and unpredicted. As hard as you try, you will never lose a lot of weight in a single day…If you are subject to Extremistan-based speculation, however, you can gain or lose your entire fortune in a single minute.”